Hypermiling - does it work for you?
JK Super Freak
Joined: Oct 2007
Posts: 1,095
Likes: 0
From: Raleigh, NC
Driving 10,000 miles per year, a 3mpg savings (16mpg vs 19mpg) at $4/gallon saves $33/month.
Driving 15,000 miles per year, a 3mpg savings (16mpg vs 19mpg) at $4/gallon saves $49/month.
Driving 20,000 miles per year, a 3mpg savings (16mpg vs 19mpg) at $4/gallon saves $65/month.
I drive about 10-12k per year, so I don't think it's worth it, but others may drive more and be on tighter gas budgets.
Driving 15,000 miles per year, a 3mpg savings (16mpg vs 19mpg) at $4/gallon saves $49/month.
Driving 20,000 miles per year, a 3mpg savings (16mpg vs 19mpg) at $4/gallon saves $65/month.
I drive about 10-12k per year, so I don't think it's worth it, but others may drive more and be on tighter gas budgets.
JK Super Freak
Joined: Jun 2007
Posts: 1,350
Likes: 2
From: North East Kingdom, Vermont
my neighbor, down the road, drives over to Irasburg every few days, gas is a nickel a gallon cheaper. He saves a buck every fillup!
Course Irasburg is 10 miles out into the middle of no where, so it does cost him $4.06 to drive there and back. But he does save a buck at the pumps, really, just try to tell him differently.
JK Super Freak
Joined: Jul 2008
Posts: 1,944
Likes: 6
From: bay area, ca
About $35 per fill up actually.
I was getting 16.5 mpg. Some times I get 22.5 mpg, a %36 increase.
Filling up my JK is $100 at $4.50 per gallon. So by being %36 more efficient, I'm
saving $36 per fill up. No, it's not the most exciting thing to do, but wouldn't you
want to save some bucks when you have to hit the grocery store in your JK? Why
not drive efficiently and save some money?
I was getting 16.5 mpg. Some times I get 22.5 mpg, a %36 increase.
Filling up my JK is $100 at $4.50 per gallon. So by being %36 more efficient, I'm
saving $36 per fill up. No, it's not the most exciting thing to do, but wouldn't you
want to save some bucks when you have to hit the grocery store in your JK? Why
not drive efficiently and save some money?
Last edited by spartan99; Jul 17, 2008 at 09:17 AM.
JK Enthusiast
Joined: Sep 2007
Posts: 264
Likes: 0
From: Dawsonville, Georgia
Here's something I just thought of. About this coasting in neutral stuff a lot of the new SMPFI vehicles cut off injectors while coasting so no fuel is being used anyway. Does anyone know if the Chryslers are programmed this way?
JK Enthusiast
Joined: May 2007
Posts: 382
Likes: 1
From: Verona, NJ
Hypermiling. Cool name for boring activity. Like adding Xtreme to the front of anything. Xtreme couch potato! Sleeping - to the Xtreme! Hyperwalking! Well, I guess running can be cool, but not if you call it hyperwalking.
Thread Starter
JK Newbie
Joined: Jun 2008
Posts: 82
Likes: 0
From: Orange County, CA
Not too bad, dude. I'm at 17.9, a little bump from yesterday. There seems to be no end in sight! 
I wish!
We'll see how high I can take it, I have a little more highway driving than city, so hopefully I can hit 20MPG or above! That'd be awesome!
I wish!
We'll see how high I can take it, I have a little more highway driving than city, so hopefully I can hit 20MPG or above! That'd be awesome!
Regarding hypermiling, I've been doing some things and getting 22.5 mpg:
- coasting in neutral, with auto trans, with engine off- but i heard this is bad
so i stopped doing it.
- anticipating lights- coasting along the road if i know i'm going to stop anyway and trying to beat red lights
- shut off engine at red lights
- slow acceleration
- drive at or below speed limit
- 30 seconds only to warm up engine
* thinking about converting it to a plug in hybrid when it's paid for.
* How's it going achi10?
- coasting in neutral, with auto trans, with engine off- but i heard this is bad
so i stopped doing it.
- anticipating lights- coasting along the road if i know i'm going to stop anyway and trying to beat red lights
- shut off engine at red lights
- slow acceleration
- drive at or below speed limit
- 30 seconds only to warm up engine
* thinking about converting it to a plug in hybrid when it's paid for.
* How's it going achi10?
JK Super Freak
Joined: Jun 2007
Posts: 1,350
Likes: 2
From: North East Kingdom, Vermont
About $35 per fill up actually.
I was getting 16.5 mpg. Some times I get 22.5 mpg, a %36 increase.
Filling up my JK is $100 at $4.50 per gallon. So by being %36 more efficient, I'm
saving $36 per fill up. No, it's not the most exciting thing to do, but wouldn't you
want to save some bucks when you have to hit the grocery store in your JK? Why
not drive efficiently and save some money?
I was getting 16.5 mpg. Some times I get 22.5 mpg, a %36 increase.
Filling up my JK is $100 at $4.50 per gallon. So by being %36 more efficient, I'm
saving $36 per fill up. No, it's not the most exciting thing to do, but wouldn't you
want to save some bucks when you have to hit the grocery store in your JK? Why
not drive efficiently and save some money?
I get 21.2mpg just by not driving like a 17yo in a Camaro.
JK Enthusiast
Joined: Apr 2008
Posts: 163
Likes: 0
From: Marysville, Ca
I think the reading you are getting is due to idling at 800 rpms.
When you have been running normal speeds at about 1900 rpms for a min or two, your mpg may read more like 18 or 19.
Remember, Its a JEEP. NOT a Prius. You bought it because its a JEEP. ENJOY =)
When you have been running normal speeds at about 1900 rpms for a min or two, your mpg may read more like 18 or 19.
Remember, Its a JEEP. NOT a Prius. You bought it because its a JEEP. ENJOY =)
Last edited by macanto66; Jul 17, 2008 at 09:28 AM.